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232 SECTION 2 STRENGTHENING AND REPAIR WORK
• Allowable fatigue stress range (5.5.3.2)
f 3 145 6 0.33f 4 55 (r/h) MPa
min
f
f 3 Algebraic minimum stress level from fatigue load; r/h 3 0.3
min
5.10 SOFTWARE FOR SUPERSTRUCTURE
Tables 5.10a and 5.10b list some of the software that may be used. Over time, more sophis-
ticated software is being developed.
Table 5.10a Frequently used computer programs for superstructures.
Program I.D. Authors Web Site/E-Mail**
AASHTO Opis AASHTOWare ® Vigesa@email.msn.com
LRFD Live Load Generator Florida DOT www.dot.state.fl .us
LRFD Prestressed Beam
CONSYS 2000 LEAP Software www.leapsoft.com
CONSPAN LA
MDX Curved and Straight Steel Girder MDX Software, Inc. www.mdxsoftware.com
Merlin-DASH OPTI-MATE, Inc. www.opti-mate.com
STLRFD—LRFD Steel Girder Design and Rating PennDOT www.dot. state.pa.us
Composite Non-compact Section
PSLRFD—LRFD Prestressed Concrete Girder
Design and Rating
FBLRFD—LRFD Floorbeam Analysis and Rating
BPLRFD—LRFD Bearing Pad Design and Analysis
SPLRFD—LRFD Steel Girder Splice Design
and Analysis
Sam Bestech Systems Ltd. www.bestech.co.uk/Bridges@
bestech.co.uk
BRASS-GIRDER (LRFD) Wyoming DOT www.wydotweb.state.wy.us
SAP2000 Computers & Structures, www.csiberkeley.com
Inc.
WinStrudl Pro CAST www.civilstructure.com
ROBOT Millenium Integrated Structural www.robot-structures.com
Software, Inc.
RAM Structural System Bently Systems, Inc. www.bentley.com
Dynamics & Vibration Analysis Universal Technical www.uts.us.com
Systems, Inc.
RISA-3D Integrated Software RISA Technologies, LLC www.risatech.com